Henan Yellow River New Material Technology Co., Ltd.(Former Xinxiang Yellow River Fine Chemical Industry Co., Ltd ),founded in 1992,is a leading fluoride manufacturing base in China.Our leading product: Potassium Fluoride , enjoys Rank 1 in terms of capacity and sales in the world. Moreever,We have passed ISO9001-2000, ISO14001: 2004 and Kosher Certification.